HCS3010 Part Three

What 3 elements are needed for a fire to burn?

• fuel, heat, and combustion

• fuel, oxygen, and combustion

• heat, oxygen, amt 'combustion

• fuel, heat, and oxygen

A Class B fire consists of the burning of

• energized electrical equipment (tools, computers, wall plug-ins)

• flammable liquids (greases, gasoline, lubricating oils)

• combustible metals (magnesium, sodium)

• common materials (wood, cloth, paper)

A Class C fire consists of the burning of

• energized electrical equipment (tools, computers, wall plug-ins)

• common materials (wood, cloth, paper)

• combustible metals (magnesium, sodium)

• flammable liquids (greases, gasoline, lubricating oils)

The only Class of Fire on which water can be used safely is

• Class B

• Class C

• Class A

• Class D

The best way to fight fires on a farm is to

• prevent them from starting

• keeping appropriate extinguishers near worksites

• keeping a large hose and pump in a dugout filled with water

• putting them out while they are still small, with readily available buckets

When using a fire extinguisher, the user should follow the

• REACT method

• SMOTHER method

• PASS method

• DOUSE method

Which of the following is not true of dry chemical powder extinguishers?

• they can effectively be used on all classes of fire

• different types f chemical powders should never be mixed

• they,.put a fire-retardant coat over the fuel to stop the chemical reaction

• they have an ABC or BC rating

When must a fire extinguisher be recharged?

• at least every three months, even if it hasn't been used

• as soon as its charge is approaching the half-way mark

• after every use, even if it has been used just a little bit

• each time an inspection and maintenance check is done

Most deaths from fire occur

• on the job

• in the home

• during man-made disasters

• during natural disasters

How often should batteries in a smoke detector be checked?

• weekly

• every six months

• yearly

• monthly